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52087069 is a prime number
BaseRepresentation
bin1100011010110…
…0100100011101
310122000022000201
43012230210131
5101313241234
65100223501
71201506226
oct306544435
9118008021
1052087069
1127446871
121553ab91
13aa39368
146cbc24d
15488d314
hex31ac91d

52087069 has 2 divisors, whose sum is σ = 52087070. Its totient is φ = 52087068.

The previous prime is 52087043. The next prime is 52087081. The reversal of 52087069 is 96078025.

52087069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 8922169 = 6570^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 52087069 - 211 = 52085021 is a prime.

It is a super-2 number, since 2×520870692 = 5426125514021522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52087039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26043534 + 26043535.

It is an arithmetic number, because the mean of its divisors is an integer number (26043535).

Almost surely, 252087069 is an apocalyptic number.

It is an amenable number.

52087069 is a deficient number, since it is larger than the sum of its proper divisors (1).

52087069 is an equidigital number, since it uses as much as digits as its factorization.

52087069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 52087069 is about 7217.1371748083. The cubic root of 52087069 is about 373.4593238846.

The spelling of 52087069 in words is "fifty-two million, eighty-seven thousand, sixty-nine".